IPSAB Tooth Powder Peppermint Enhances contract the gums, removes the bacteria and neutralizes the acids that erode enamel. All in a great minty taste. Contains salt, soda, prickly ash bark and peppermint, a truly effective formula for regular dental hygiene. IPSAB Certified Tooth Powder. Natural Peppermint Flavor. A unique, all natural tooth and gum cleanser for the entire family. A finely milled and thoroughly mixed combination of pure salt, baking soda and prickly ash bark, with peppermint oils as flavoring. Satisfaction Guaranteed. More information on request. IPSAB Tooth Powder is an all natural tooth and gum cleanser for the entire family. This tooth powder is Unique in that it contains Prickly Ash Bark, a traditional native American herb used for maintaining healthy gums. Baking soda has been used for oral hygiene for years, and now is clinically proven to fight plaque. Salt is beneficial for the maintenance of healthy gum tissue.